* {
  margin: 0;
  padding: 0;
  list-style: none;
}
.main {
  width: 100vw;
}
.main .head {
  width: 100vw;
  height: 80px;
}
.main .head .logo {
  width: 330px;
  height: 80px;
  display: inline-block;
}
.main .head .search-box {
  width: 500px;
  height: 80px;
  position: absolute;
  top: 18px;
  right: 0;
}
.main .head .search-box #search-button {
  padding: 2px 10px;
  background-color: #DF0012;
  border: none;
  border-radius: 7px;
  text-align: center;
  color: #fff;
  letter-spacing: 5px;
  cursor: pointer;
}
.main .index-nav {
  width: 100vw;
  height: 50px;
  margin-top: 20px;
  background-color: #F5F5F5;
  box-shadow: 5px 3px 10px rgba(0, 0, 0, 0.3);
}
.main .index-nav > ul {
  width: 100vw;
  height: 50px;
  float: left;
}
.main .index-nav > ul > li {
  width: calc(100vw / 8 - 15px);
  height: 50px;
  margin: 0 5px;
  display: inline-block;
  text-align: center;
  line-height: 50px;
  cursor: pointer;
  color: #000;
  position: relative;
}
.main .index-nav > ul > li:hover {
  background: linear-gradient(#9E0B0B, #E37E04);
  cursor: pointer;
  color: #fff;
}
.main .index-nav > ul .hover-box {
  display: none;
  width: 100%;
  height: auto;
  position: absolute;
  top: 48px;
  left: 0;
  background-color: rgba(0, 0, 0, 0.3);
  padding-bottom: 10px;
}
.main .index-nav > ul .hover-box li {
  width: 100%;
  height: 35px;
  color: #fff;
  margin: 7.5px 0;
  line-height: 30px;
}
.main .index-nav > ul .hover-box li:hover {
  background-color: #f5f5f5;
  color: #000;
}
.main .index-nav > ul > li:hover .hover-box {
  display: block;
}
.main .swiper {
  width: 100vw;
  height: 48vh;
  margin-top: 15px;
}
.main .introduction {
  background-color: #F5F5F5;
  padding-top: 15px;
  position: relative;
  width: 100vw;
  height: 24vh;
  border-radius: 40px;
}
.main .introduction > div {
  height: 24vh;
  display: inline-block;
  width: calc(100vw / 3 - 30px);
  position: absolute;
  top: 20px;
  left: 20px;
}
.main .introduction > div > p {
  margin-top: 10px;
  margin-left: 10px;
  font-size: 25px;
  font-weight: bold;
}
.main .introduction > div > p span:nth-child(1) {
  color: red;
}
.main .introduction > div > p span:nth-child(2) {
  color: gray;
  font-size: 16px;
}
.main .introduction > div:nth-child(1) > img + span {
  display: inline-block;
}
.main .introduction > div:nth-child(1) > img {
  width: 82px;
  height: 88px;
}
.main .introduction > div:nth-child(1) > span {
  width: calc(100% - 100px);
  font-size: 14.5px;
  color: #444;
}
.main .introduction > div:nth-child(2) {
  left: calc(100vw / 3 + 10px);
}
.main .introduction > div:nth-child(2) ul {
  margin-left: 25px;
  color: #444;
}
.main .introduction > div:nth-child(2) li {
  list-style: disc;
  color: #444;
}
.main .introduction > div:nth-child(3) {
  left: calc(100vw / 3 * 2);
}
.main .introduction > div:nth-child(3) > div {
  width: 100%;
}
.main .introduction > div:nth-child(3) > div > div {
  border: 1px solid #ccc;
  margin: 0 5px;
  width: 30%;
  height: 120px;
  float: left;
}
.main .introduction > div:nth-child(3) > div > div img {
  display: block;
  width: 60px;
  height: 60px;
  margin: 0 auto;
  margin-top: 10px;
}
.main .introduction > div:nth-child(3) > div > div p {
  text-align: center;
  margin-top: 25px;
}
.main .introduction > div:nth-child(3) .telephone {
  width: 100%;
}
.main .introduction > div:nth-child(3) .telephone img {
  margin-left: 80px;
  margin-top: 15px;
  width: 70px;
  height: 50px;
}
.main .introduction > div:nth-child(3) .telephone span {
  display: inline-block;
  width: calc(100% - 160px);
  position: relative;
  top: -10px;
}
.main .footer {
  margin-top: 20px;
  text-align: center;
}
